Telegram group: T.me/BBCNOUN [ARD302] One of the guidelines for effective use of radio in extension is that necessary long radio broadcast should be ___ Approached [ARD302] The term used to describe a teaching objectve is the end ____ desired Product [ARD302] Extension teaching is a process in which situations are so arranged to direct learning activities towards achievig ___ desired behavioural changes Individual [ARD302] The most common instructional material readily available to every teacher is ______ Chalkboard [ARD302] The following factors are important in the selection and use of teaching aids in extension except ___ Material originality [ARD302] One of the extension teaching principles state that it should have __ aim or purpose Definite [ARD302] The reason often given by teachers for not using instructional aids in class is _____ Unavailabilty [ARD302] The act of using alternative aids in place of scientific resources inorder to make learning more pleasurable and effective is referred to as ____ Improvisation [ARD302] Extension instuction requires that learners should have effective broad _____ Experiences [ARD302] Extension workers are referred to as teachers and ___ as adult learners Farmers